Add 81/56 and 35/15
1st number: 1 25/56, 2nd number: 2 5/15
81/56 + 35/15 is 635/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
35/15 = 35 × 56/15 × 56 = 1960/840 - Add the two like fractions:
1215/840 + 1960/840 = 1215 + 1960/840 = 3175/840 - 3175/840 simplified gives 635/168
- So, 81/56 + 35/15 = 635/168
In mixed form: 3131/168
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